Normals

Electrolytes Normals

• Potassium 3.5-5 mEq/L 

• Calcium 4.5-5.5 mEq/L 

• Bicarbonate 22-25 mEq/L 

• Chloride 95-106 mEq/L  

• Sodium 135-145 mEq/L 

CBC Normals

• Hb : Female = 13.5-18  Male = 12-16 

• WBC : Adult 4500-11k 

P/F Ratio Normal

400-500

iNO Normal amount

15-25 ppb

Vd/Vt Normal

0.2-0.4

Raw Normal

0.6-2.4 cmH2O/L/s

ABG Normals for Infants

• PaO2 = 50-70  

• SpO2 92-96% 

• PaCO2 = 35-55

• PH 7.25 - 7.45 

Temperature

98.6 F = 37 C  

RR 

Adult = 12-20

Child = 30

BP

• Adult = <120/80 

• Newborn (>12 hours old) = 75/50 mmHg 

• Newborn (>12 hours old) = 50/30-35 mmHg 

HR

• Neonate = 120-170 bpm 

• Adult = 60-100 bpm 

Mixed Venous Interpretation

• SvO2 = 70-76% 

• PvO2 = 37-43 

• PvCO2 = 44-46 mmHg 

• pH = 7.34-7.36 

Hypoxemia Evaluation

• Mild: PaO2 = 60-79 mmHg 

• Mod: PaO2 = 40-59 mmHg 

• Severe: PaO2 = >40 mmHg 

Arterial BP

120/80mmHg 

CVP 

1-6mmHg

PAP

15-28 / 5-16 mmHg

PCWP

6-15 mmHg

CO

4-8 L/min

SV

50-120mL / beat

Arterial Venous O2 Content Difference 

3-5.5%

shunt

5% or less

Pin Index and Color: Oxygen

2-5; Green

Pin Index and Color: Air

1-5; yellow

Color: Helium

Brown

Cylinder Size and Factor

• E = 0.28 

• H and K = 3.14 

Heliox Factor

• 80:20 = 1.8 

• 70:30 = 1.6  

• 60:40 = 1.4 

Dynamic Compliance

Vt/ PIP - PEEP

Static Compliance

Vt / Plat - PEEP

Raw

PIP - Plat / Flow (L/s)

Lung Compliance

Change in Vol / Change in Pressure